package com.ashen.boot.admin.configuration;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.data.redis.RedisProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisOperations;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 * Spring data Redis
 *
 * @author bing_huang
 */
@Configuration
@ConditionalOnClass(RedisOperations.class)
@EnableConfigurationProperties(RedisProperties.class)
public class SpringDataRedisConfiguration {

    /**
     * spring redis template
     *
     * @param factory redis链接
     * @param <K>     key类型
     * @param <V>     value类型
     * @return {@link RedisTemplate}
     */
    @Bean
    @ConditionalOnMissingBean(name = "redisTemplate")
    public <K, V> RedisTemplate<K, V> redisTemplate(RedisConnectionFactory factory) {
//        RedisTemplate<K, V> redisTemplate = new RedisTemplate<>();
//        GenericJackson2JsonRedisSerializer serializer = new GenericJackson2JsonRedisSerializer();
//        redisTemplate.setDefaultSerializer(serializer);
//        redisTemplate.setKeySerializer(new StringRedisSerializer());
//        redisTemplate.setHashValueSerializer(serializer);
//        redisTemplate.setConnectionFactory(factory);
//        return redisTemplate;

        RedisTemplate<K, V> template = new RedisTemplate<>();
        // 配置连接工厂
        template.setConnectionFactory(factory);

        //使用Jackson2JsonRedisSerializer来序列化和反序列化redis的value值（默认使用JDK的序列化方式）
        Jackson2JsonRedisSerializer jacksonSeial = new Jackson2JsonRedisSerializer(Object.class);

        ObjectMapper om = new ObjectMapper();
        // 指定要序列化的域，field,get和set,以及修饰符范围，ANY是都有包括private和public
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);

        // 指定序列化输入的类型，类必须是非final修饰的，final修饰的类，比如String,Integer等会跑出异常
//        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL); // 保留这行会报错：Unexpected token (VALUE_STRING)
        jacksonSeial.setObjectMapper(om);

        // 值采用json序列化
        template.setValueSerializer(jacksonSeial);
        //使用StringRedisSerializer来序列化和反序列化redis的key值
        template.setKeySerializer(new StringRedisSerializer());

        // 设置hash key 和value序列化模式
        template.setHashKeySerializer(new StringRedisSerializer());
        template.setHashValueSerializer(jacksonSeial);
        template.afterPropertiesSet();
        return template;
    }

    /**
     * String 类型的RedisTemplate
     *
     * @param factory redis链接
     * @return {@link RedisTemplate}
     */
    @Bean
    @ConditionalOnMissingBean(name = "stringRedisTemplate")
    public StringRedisTemplate stringRedisTemplate(RedisConnectionFactory factory) {
        return new StringRedisTemplate(factory);
    }


}
